Log to logstash when VIP Search rate limiting begins
22:21:38 GMT+0000
To assist with debugging VIP Search related issues, we need an easy way to determine if rate limiting is currently in effect for queries or indexing operations. The easiest way to accomplish this right now is by logging when rate limiting starts to logstash.
https://github.com/Automattic/vip-go-mu-plugins/pull/1916